Actuator



FIG. 1 is a perspective view of the design for an actuator.

FIG. 2 is a perspective view thereof.

FIG. 3 is a perspective view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof.

FIG. 6 is a side elevational view thereof.

FIG. 7 is a side elevational view thereof.

FIG. 8 is a side elevational view thereof; and,

FIG. 9 is a side elevational view thereof. 

CLAIM The ornamental design for an actuator, as shown and described. 